Energetic Insight into Carbon Fixation Triggered by Geo-electrical Current at Deep-sea Hydrothermal Vents

July 1, 2018 | Author: Eric De Jong | Category: Documents


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Energetic Insight into Carbon Fixation Triggered by Geo-electrical Current at Deep-sea Hydrothermal Vents Ryuhei Nakamura, Biofunctional Catalyst Research Team, RIKEN Japan [email protected]

2:00 pm

Wednesday, March 2, 2016

room 183-615

We know a lot about the energetics for carbon fixation triggered by solar radiation, that is, photosynthesis. Parallelly important, but relatively unknown processes are bio-geochemistry in the deep ocean, where highly efficient carbon fixation is sustained by reductive energy stored in the Earth’s crust. Herein, based on recent findings of electrical current generation across a black smoker hydrothermal vent, together with thermoelectrical conversion via chimney minerals, I will present the new energetic underpinnings of solar-independent carbon fixation.

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